<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <h2>小黑的书架</h2>
        <ul>
            <li v-for="(item,index) in books">{{item.name}}{{item.author}}
                <button @click="del(item.id)">删除</button>
            </li>
        </ul>
    </div>
    <script src="js/vue.js"></script>
    <script>
        const app = new Vue({
            el: "#app",
            data: {
                books: [
                    { id: 1, name: "《红楼梦》", author: "曹雪芹" },
                    { id: 2, name: "《西游记》", author: "吴承恩" },
                    { id: 3, name: "《三国演义》", author: "罗贯中" },
                    { id: 4, name: "《水浒传》", author: "吴施恩" }
                ],
                methods: {
                    del(id) {
                        this.books = this.books.filter(item => item.id != id)
                    }
                }
            }
        })
    </script>

</body>

</html>